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August 2012

Nuts and Volts Magazine

Machine To Machine Communications

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Features

A Proper Ringing of the Bells

See the art of engineering at work when an older system for ringing church bells needed a makeover.


Design a Customized Security System Using RobotBASIC

Implementing a custom security system for your home can be intimidating — unless you have the right software. This article guides you through the basic principles so you can design exactly what will work for you.



Projects

Build the Voltage Mirror

Circuits

A glass mirror gives an exact copy of an image but with left and right swapped. A voltage mirror gives a copy of the input voltage but with the polarity swapped.


Build the Mystery Solar Powered Pendulum

Electronic Gadgets

This device is a wonderful demonstration of clean, green solar power and is based on BEAM technology. It was inspired by the Magbot pendulum project in Dave Hrynkiw’s book titled, Junkbots, Bugbots & Bots On Wheels - which you can buy in the Nuts & Volts Web store!


Build the Alarm Autodialer

Home Automation

This device will detect and report several common failures with household systems, so you can deal with them while they are still easy to fix. It's inexpensive ($60 or less, depending on your parts collection), easy to build, and doesn't require any contracts with monitoring services.



Columns

TechKnowledgey
by Jeff Eckert
Events, Advances, and News
Read about a new PC for bottom-feeders, an automotive mystery that gets solved, the vacuum tube as the next high tech breakthrough ... plus some other interesting stuff.

PICAXE Primer
by Ron Hackett
Further Explorations With PICAXE Temperature Measurement.
In this month's Primer, we're going to continue our explorations of temperature measurement with PICAXE processors, but before we get to that, I want to give you an update on my "Freezer Alarm" project.

Q&A
by Russell Kincaid
Reader Questions Answered Here
Send all questions and comments to: [email protected]

Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 49: Fritzing With the Arduino — Part 1
Easy hardware design using Fritzing. Part 49

Open Communication
by Louis E. Frenzel
M2M —Machine-to-Machine Communications
M2M is essentially automatic communications between two “things.” An example is a vending machine sending data to a remote computer indicating that it needs refilling and the money box needs emptying.

The Design Cycle
by Fred Eady
Putting Basic4android in the Driver’s Seat
I'm a programmer and the Android devices are programmable. If you're interested in plugging into that intelligent Android brick you call a phone, get in the truck.